MK Diamond 156576 5-Inch Blue Turbo Professional Grade Core Bit For Hard Aggregate With Heavy Steel Professional core bits are design with high diamond concentration that provide superior performance The turbo segment design allows better channeling of slurry and reduces vibration while drilling Available in blue color Measures 5 inches diameter with 1-1/4 inches - 7 thread Comes with 7.5 mm segment height and 14 inches drilling depth Professional core bits are designed with high diamond concentration and turbo segment that provides superior performance in heavy steel applications The turbo segment design allows for better channeling of slurry and reduces vibration while drilling in concrete with steel Available in blue color Measures 5-Inch diameter with 1-1/4-Inch - 7 thread